package cn.edu.zsc.rbac.view;

import cn.edu.zsc.rbac.domain.dto.DeptDto;
import cn.edu.zsc.rbac.domain.vo.DeptVo;
import cn.edu.zsc.rbac.domain.vo.Result;
import cn.edu.zsc.rbac.service.IDeptService;
import cn.edu.zsc.rbac.service.array.DeptService;


public class DeptView extends BaseView<DeptVo,IDeptService>{
    public static final String MENU = """
            ----------------
                RBAC系统
            ----------------
            |  0  退出系统   |
            |  1  部门管理   |
            |  2  角色管理   |
            |  3  用户管理   |
            ----------------
            请输入选项:""";

    private static DeptView singleton;

    private DeptView() {
        service = DeptService.getInstance();
    }

    public static DeptView getInstance() {
        if (singleton == null) {
            singleton = new DeptView();
        }
        return singleton;
    }

    /**
     * 显示界面
     */
    public void show() {
        String menuChoice;

        do {
            System.out.println(MENU);
            menuChoice = MainView.input.nextLine();
            switch (menuChoice) {
                case "0" -> System.out.println("已返回上一级菜单!");
                case "1" -> list();
                case "2" -> create();
                case "3" -> update();
                case "4" -> delete();
                default -> System.out.println("输入非法，请输入正确的菜单编号！");
            }
        } while (!"0".equals(menuChoice));
    }

    public void list() {
        Result result = service.list();
        cache = (DeptVo[]) result.data;
        System.out.println("ID\t部门名称\t部门电话");
        for (DeptVo dept : cache) {
            System.out.printf("%d\t%s\t%s\n", dept.id, dept.name, dept.phone);
        }
    }

    public void create() {
        System.out.print("请输入部门名称：");
        String name = MainView.input.nextLine();
        System.out.print("请输入部门电话：");
        String phone = MainView.input.nextLine();
        DeptDto dto = new DeptDto(name, phone);
        Result result = service.create(dto);
        if (!result.success) {
            printError(result.message);
            return;
        }
        System.out.println(result.message);
        list();
    }

    public void update() {
        DeptVo dept = getCacheById();
        if (dept == null) {
            return;
        }
        System.out.print("请输入部门名称，直接按回车表示不修改：");
        String name = MainView.input.nextLine();
        name = "".equals(name) ? dept.name : name;
        System.out.print("请输入部门电话，直接按回车表示不修改：");
        String phone = MainView.input.nextLine();
        phone = "".equals(phone) ? dept.phone : phone;
        DeptDto dto = new DeptDto(name, phone);
        Result result = service.update(dto, dept.id);
        if (!result.success) {
            printError(result.message);
            return;
        }
        System.out.println(result.message);
        list();
    }

    public void delete() {
        DeptVo dept = getCacheById();
        if (dept == null) {
            return;
        }
        System.out.print("输入'Y'确认删除，输入其他则取消删除：");
        String confirm = MainView.input.nextLine();
        if (!"Y".equalsIgnoreCase(confirm)) {
            System.out.println("您已经取消删除");
            return;
        }
        Result result = service.delete(dept.id);
        if (!result.success) {
            printError(result.message);
            return;
        }
        System.out.println(result.message);
        list();
    }

}
